If your Mazda CX-9 has a humming noise at high speed, it can be distracting and, depending on the cause, dangerous. We’ve outlined the most common reasons why a humming noise in your car gets louder with speed. We’ve also provided an audio sample of each issue to help determine …
Read More »Mazda CX-9 Air Conditioner Not Working: Causes + Fix
If your Mazda CX-9’s AC system is not working, it can be uncomfortable and downright dangerous on a hot day. There are A LOT of issues that can cause your car’s air conditioner to fail. This article is broken down into these three sections to help save you time repairing …
Read More »Mazda CX-9 P0026: Symptoms, Causes, + Common Fixes
P0026 is a code that signals an issue with your Mazda CX-9’s intake valve control solenoid circuit. In layman’s terms, the circuit is not complying with the Powertrain Control Module’s commands. It sent a signal to the intake valve control solenoid, and it, for whatever reason, failed. P0026 is a …
Read More »Mazda CX-9 P0152: Causes + Easy Diagnosis
P0152 is a common OBDII code that occurs in many vehicles, including the Mazda CX-9. It indicates that the bank 2 sensor 1 O2 sensor is reporting a voltage level that is higher than its normal operating range. P0152 Definition: O2 Sensor – High Voltage – B2S1 O2 Sensor Oxygen sensors …
Read More »Mazda CX-9 P0501 Code: Causes + Likely Fix
P0501 is an OBD2 trouble code that indicates there is an issue with your Mazda CX-9’s Vehicle Speed Sensor (VSS). It occurs when the Powertrain Control Module (PCM) gets a signal from the VSS outside its normal operating range (in terms of voltage). P0501 is a generic powertrain code, which …
Read More »Mazda CX-9 P0725 Code: Meaning, Causes, + Diagnosis
P0725 is a common OBD2 code that can occur in the Mazda CX-9. It indicates an issue with the engine speed sensor input circuit (which measures the engine speed at the input shaft and helps the PCM determine when and how hard to shift the transmission). It’s a generic code, …
Read More »Mazda CX-9 P0193: Symptoms, Causes, & Likely Fixes
P0193 is a generic OBD-II code that can occur in the Mazda CX-9. It indicates that your CX-9’s fuel rail pressure sensor is sending a signal to the PCM that is above its normal operating range (in terms of voltage value). While P0193 is a generic code (it has the …
Read More »Mazda CX-9 P0523: Meaning, Causes, + Likely Fixes
P0523 is a standard OBD2 trouble code that can occur in the Mazda CX-9. In layman’s terms, it indicates the signal from the oil pressure sensor is higher than its normal operating range (in terms of voltage). P0523 is generic (it has the same definition for all vehicles), repair steps …
Read More »Mazda CX-9 P0705: Meaning, Causes, & Diagnosis
P0705 is a very common transmission-related trouble code that can occur in the Mazda CX-9. In layman’s terms, it means that your CX-9 can’t tell what gear you’ve selected, which can have some real consequences on how it drives. It’s most likely caused by a bad Transmission Range Sensor (TRS), …
Read More »Mazda CX-9: DRL Warning Light On – Causes + Fix
Daytime running lights (or DRL) are specialized lights that come on when your Mazda CX-9’s regular headlights are turned off. Their purpose is to make it easier for other drivers to see you, theoretically decreasing the odds of getting into an accident. If your CX-9’s DRL warning light is on, …
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